Michael

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how to edit this matrix
I have a matrix B that has three columns. A week number is in the first column, a day number is in the second column, and data i...

plus de 11 ans il y a | 1 réponse | 0

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Question

using arrayfun for a function with multiple inputs
I want to call my Before function with a 1 x 40 structure called struct for the s input, a value of 0 for the begins input, and ...

presque 12 ans il y a | 2 réponses | 0

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A résolu

Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...

presque 12 ans il y a

A résolu

Find the numeric mean of the prime numbers in a matrix.
There will always be at least one prime in the matrix. Example: Input in = [ 8 3 5 9 ] Output out is 4...

presque 12 ans il y a

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Remove any row in which a NaN appears
Given the matrix A, return B in which all the rows that have one or more <http://www.mathworks.com/help/techdoc/ref/nan.html NaN...

presque 12 ans il y a

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Finding Perfect Squares
Given a vector of numbers, return true if one of the numbers is a square of one of the other numbers. Otherwise return false. E...

presque 12 ans il y a

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Create times-tables
At one time or another, we all had to memorize boring times tables. 5 times 5 is 25. 5 times 6 is 30. 12 times 12 is way more th...

presque 12 ans il y a

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Fibonacci sequence
Calculate the nth Fibonacci number. Given n, return f where f = fib(n) and f(1) = 1, f(2) = 1, f(3) = 2, ... Examples: Inpu...

presque 12 ans il y a

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Determine whether a vector is monotonically increasing
Return true if the elements of the input vector increase monotonically (i.e. each element is larger than the previous). Return f...

presque 12 ans il y a

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Swap the first and last columns
Flip the outermost columns of matrix A, so that the first column becomes the last and the last column becomes the first. All oth...

presque 12 ans il y a

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Make a checkerboard matrix
Given an integer n, make an n-by-n matrix made up of alternating ones and zeros as shown below. The a(1,1) should be 1. Example...

presque 12 ans il y a

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Find all elements less than 0 or greater than 10 and replace them with NaN
Given an input vector x, find all elements of x less than 0 or greater than 10 and replace them with NaN. Example: Input ...

presque 12 ans il y a

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Triangle Numbers
Triangle numbers are the sums of successive integers. So 6 is a triangle number because 6 = 1 + 2 + 3 which can be displa...

presque 12 ans il y a

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Column Removal
Remove the nth column from input matrix A and return the resulting matrix in output B. So if A = [1 2 3; 4 5 6]; and ...

presque 12 ans il y a

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Select every other element of a vector
Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...

presque 12 ans il y a

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Determine if input is odd
Given the input n, return true if n is odd or false if n is even.

presque 12 ans il y a

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Add two numbers
Given a and b, return the sum a+b in c.

presque 12 ans il y a

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Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

presque 12 ans il y a

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Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

presque 12 ans il y a

A résolu

Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

presque 12 ans il y a

Question

How do I use 'ErrorHandler' in arrayfun?
x = arrayfun(@(x) mean(x.Num(1:20,3)), Struct, 'UniformOutput', false) Struct is a 1x45 structure containing a field called N...

presque 12 ans il y a | 1 réponse | 0

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